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  • 090706 T Linq 的认识

    /// <summary>
    /// 一个不错的Linq问题
    /// </summary>
    private void LinqQuestion()
    {
        JZDataContext db = new JZDataContext();
        TextWriter log = new StringWriter();
        db.Log = log;

        IEnumerable<A_User> table = db.A_Users;
        var q2 = table.Where(u => u.Id == 1);
        var users1 = q2.ToArray();
        Response.Write(log.ToString());
        //SELECT [t0].[Id], [t0].[HeadImagePath], [t0].[Gender], [t0].[DomainName], [t0].[ThemeNo], [t0].[SLOB_XML], [t0].[RealName], [t0].[Birthday], [t0].[StudyLevel], [t0].[SelfComment], [t0].[SidelineExperience], [t0].[SidelinesWantToDo], [t0].[SidelineTime], [t0].[SidelineCities], [t0].[MoneyWant], [t0].[Race], [t0].[Speciality], [t0].[HasGraduated], [t0].[CollegeId]
        //FROM [dbo].[A_Users] AS [t0]
        //-- Context: SqlProvider(Sql2000) Model: AttributedMetaModel Build: 3.5.30729.1

        log = new StringWriter();
        db.Log = log;
        var q = db.A_Users.Where(u => u.Id == 1);
        var users2 = q.ToArray();
        Response.Write(log.ToString());
        //SELECT [t0].[Id], [t0].[HeadImagePath], [t0].[Gender], [t0].[DomainName], [t0].[ThemeNo], [t0].[SLOB_XML], [t0].[RealName], [t0].[Birthday], [t0].[StudyLevel], [t0].[SelfComment], [t0].[SidelineExperience], [t0].[SidelinesWantToDo], [t0].[SidelineTime], [t0].[SidelineCities], [t0].[MoneyWant], [t0].[Race], [t0].[Speciality], [t0].[HasGraduated], [t0].[CollegeId]
        //FROM [dbo].[A_Users] AS [t0]
        //WHERE [t0].[Id] = @p0
        //-- @p0: Input Int (Size = 0; Prec = 0; Scale = 0) [1]
        //-- Context: SqlProvider(Sql2000) Model: AttributedMetaModel Build: 3.5.30729.1
    }

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  • 原文地址:https://www.cnblogs.com/zgynhqf/p/1607710.html
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